<template>
    <div class="app-container">
        课程列表
           <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="courseQuery.title" placeholder="课程名称"/>
      </el-form-item>
      <el-form-item>
        <el-select v-model="courseQuery.status" clearable placeholder="课程状态">
          <el-option :value="Normal" label="已发布"/>
          <el-option :value="Draft" label="未发布"/>
        </el-select>
      </el-form-item>
      <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>
           <!-- 表格 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      element-loading-text="数据加载中"
      border
      fit
      highlight-current-row>
      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>
      <el-table-column prop="title" label="课程名称" width="80" />
      <el-table-column label="课程状态" width="80">
        <template slot-scope="scope">
          {{ scope.row.status==='Normal'?'已发布':'未发布' }}
        </template>
      </el-table-column>
      <el-table-column prop="lessonNum" label="课时数" />
      <el-table-column prop="gmtCreate" label="添加时间" width="160"/>
      <el-table-column prop="viewCount" label="浏览数量" width="60" />
      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/edit/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">编辑课程基本信息</el-button>
          </router-link>
          <router-link :to="'/teacher/edit/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">编辑课程基本大纲</el-button>
          </router-link>
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除课程基本信息</el-button>
        </template>
      </el-table-column>
    </el-table>
    
   <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />
    </div>
</template>
<script>
import course from '@/api/edu/course'
export default {
    data(){
        return{
        list:null,
        page:1,
        limit:3,
        total:0,
        courseQuery:{
        }
        }
    },
    created(){
        this.getList()
    },
    methods:{
      removeDataById(id){
        this.$confirm('此操作将永久删除该课程, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
        }).then(() => {
      course.deleteCourse(id)
       .then(response=>{
            this.$message({
            type: 'success',
            message: '删除课程成功!'
        });
        this.getList()
       });
        });
        
        
      },
        getList(){
            course.getListCourse()
            .then(response=>{
                //console.log(response)
              this.list=response.data.list
            })
            .catch(error=>{
                console.log(error)
            })
        },

        resetData(){
            this.courseQuery={}
            this.getList()
        },
    },
}
</script>